Thousandshores via Amazon offers the OxyLED MD50 XM-L T6 800-Lumen Flashlight for $15.99. Coupon code "1OXYMD50" cuts that to $9.99. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $5.75.) That's the lowest total price we could find by $4. It features five light modes and a zoomable function.